Depends on the time of year and place. When you are at the equator, the days are exactly 12 hours and the nights are exactly 12 hours.
9.20 Hours of daylight in the shortest day of the year!
60 Minutes in a hour 24 hours in a day So: 1440 minutes in a day.
Has to do with the earths tilt and whether you live in the northern or southern hemisphere.
Complex question. Use this link to go find out, it varies on what month and day it is, the change in the tilt of the earth causes the seasons. http://www.jgiesen.de/daylight/
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